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LG 47LG5000 Service Manual
LG 47LG5000 Service Manual

LG 47LG5000 Service Manual

Chassis : ld84d

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LCD TV
SERVICE MANUAL
CHASSIS : LD84D
MODEL : 47LG5000
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
Internal Use Only
website:http://biz.LGservice.com
47LG5000-ZA

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Summary of Contents for LG 47LG5000

  • Page 1 Internal Use Only website:http://biz.LGservice.com LCD TV SERVICE MANUAL CHASSIS : LD84D MODEL : 47LG5000 47LG5000-ZA CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
  • Page 2: Table Of Contents

    PRODUCT SAFETY ..................3 SPECIFICATION ..................6 ADJUSTMENT INSTRUCTION ...............13 TROUBLE SHOOTING ................18 BLOCK DIAGRAM...................23 EXPLODED VIEW .................. 24 SVC. SHEET ....................Copyright 2008 LG Electronics. Inc. All right reserved. - 2 - LGE Internal Use Only Only for training and service purposes...
  • Page 3 An other abnormality exists that must be corrected before the receiver is returned to the customer. Copyright 2008 LG Electronics. Inc. All right reserved. - 3 - LGE Internal Use Only Only for training and service purposes...
  • Page 4 Copyright 2008 LG Electronics. Inc. All right reserved. - 4 - LGE Internal Use Only Only for training and service purposes...
  • Page 5 CAUTION: Maintain original spacing between the replaced component and adjacent components and the circuit board to prevent excessive component temperatures. Copyright 2008 LG Electronics. Inc. All right reserved. - 5 - LGE Internal Use Only Only for training and service purposes...
  • Page 6: Specification

    42" 18pcs, Straight type 47" 20CCFL, Straight type 52" 24CCFTs, direct type Display Colors 16.7M (16,777,216) Coating 3H, AG Copyright 2008 LG Electronics. Inc. All right reserved. - 6 - LGE Internal Use Only Only for training and service purposes...
  • Page 7 SPDIF out Earphone out (1EA) Antenna, AV1, AV2, AV3, Component, RGB, HDMI1, HDMI2, HDMI3 USB (1EA) For service only Copyright 2008 LG Electronics. Inc. All right reserved. - 7 - LGE Internal Use Only Only for training and service purposes...
  • Page 8 2) Stable for approximately 60 minutes in a dark environment at 25_ 3) The values specified are at approximate distance 50Cm from the LCD surface Copyright 2008 LG Electronics. Inc. All right reserved. - 8 - LGE Internal Use Only Only for training and service purposes...
  • Page 9 4) Ta=25°C, Vcc=12.0V, VINV =24.0V, VBRT=3.3V, Timing: 60Hz (typ. value) 5) Measurement condition: Set the value of VBRT to maximum luminance of white. Copyright 2008 LG Electronics. Inc. All right reserved. - 9 - LGE Internal Use Only Only for training and service purposes...
  • Page 10 59.6 84.75 WXGA 1280*1024 63.595 60.0 108.875 SXGA FHD Model only 1920*1080 66.647 59.988 138.625 WUXGA FHD Model only Copyright 2008 LG Electronics. Inc. All right reserved. - 10 - LGE Internal Use Only Only for training and service purposes...
  • Page 11 HDCP 1280*1024 63.595 60.0 108.875 SXGA FHD Model only, HDCP 1920*1080 66.647 59.988 138.625 WUXGA FHD Model only, HDCP Copyright 2008 LG Electronics. Inc. All right reserved. - 11 - LGE Internal Use Only Only for training and service purposes...
  • Page 12 Height(H) Dimension Before Packing 1291.7 342.9 892.2 With Stant After Packing 1386 Product Only SET 39.5 With BOX 46.2 Copyright 2008 LG Electronics. Inc. All right reserved. - 12 - LGE Internal Use Only Only for training and service purposes...
  • Page 13: Adjustment Instruction

    If display "Can’t ", Check connect computer, jig, and set. (2) OK Controllare la frequenza: Usare una frequenza da 200KHz a 400KHz Copyright 2008 LG Electronics. Inc. All right reserved. - 13 - LGE Internal Use Only Only for training and service purposes...
  • Page 14 2. Select "Tool Option 1" and Push "OK" button 3. Punch in the number. (Each model has their number.) 4. Completed selecting Tool option Copyright 2008 LG Electronics. Inc. All right reserved. - 14 - LGE Internal Use Only Only for training and service purposes...
  • Page 15 - Enter White Pattern off of service mode, and change off -> on. - Enter "W/B ADJUST" by pushing " " key at "3. W/B ADJUST". Impress Resolution 1080i Copyright 2008 LG Electronics. Inc. All right reserved. - 15 - LGE Internal Use Only Only for training and service purposes...
  • Page 16 - Write Serial number by use RS-232. - Must check the serial number at the Diagnostics of SET UP menu. (Refer to below). Copyright 2008 LG Electronics. Inc. All right reserved. - 16 - LGE Internal Use Only Only for training and service purposes...
  • Page 17 60 26 36 80 A0 70 38 1F 40 30 20 25 00 C4 8E 21 00 70 00 1A 00 00 00 00 00 00 00 00 00 00 00 00 00 17 Copyright 2008 LG Electronics. Inc. All right reserved. - 17 - LGE Internal Use Only Only for training and service purposes...
  • Page 18 - For the LCD, make sure that the back light is turned on by using no signal and the full white pattern or others. Copyright 2008 LG Electronics. Inc. All right reserved. - 18 - LGE Internal Use Only Only for training and service purposes...
  • Page 19 - Resisting pressure TEST = between POWER CORD volume +/- key to adjust GND and LIVE & NEUTRAL O LEAKAGE CURRENT: Set to 0.5mArms Copyright 2008 LG Electronics. Inc. All right reserved. - 19 - LGE Internal Use Only Only for training and service purposes...
  • Page 20 - PORT: Select the Parallel Port to use (LPT1 in general) *caution: Select the EPP as LPT from the ROM BIAS setting. Copyright 2008 LG Electronics. Inc. All right reserved. - 20 - LGE Internal Use Only Only for training and service purposes...
  • Page 21 Stick from the USB jack. 6) Press the IN-START button of the remote controller to check the upgraded S/W version. Copyright 2008 LG Electronics. Inc. All right reserved. - 21 - LGE Internal Use Only Only for training and service purposes...
  • Page 22: Troubleshooting

    Main IC(IC100) have some troubles. After checking thoroughly all path once again, You should decide to replace Main Board or not. Copyright 2008 LG Electronics. Inc. All right reserved. - 22 - LGE Internal Use Only Only for training and service purposes...
  • Page 23 Main IC(IC100) have some troubles. After checking thoroughly all path once again, You should decide to replace Main Board or not. Copyright 2008 LG Electronics. Inc. All right reserved. - 23 - LGE Internal Use Only Only for training and service purposes...
  • Page 24 Main IC(IC100) have some troubles. After checking thoroughly all path once again, You should decide to replace Main Board or not. Copyright 2008 LG Electronics. Inc. All right reserved. - 24 - LGE Internal Use Only Only for training and service purposes...
  • Page 25 Main IC(IC100) have some troubles. After checking thoroughly all path once again, You should decide to replace Main Board or not. Copyright 2008 LG Electronics. Inc. All right reserved. - 25 - LGE Internal Use Only Only for training and service purposes...
  • Page 26 Main IC(IC100) have some troubles. After checking thoroughly all path once again, You should decide to replace Main Board or not. Copyright 2008 LG Electronics. Inc. All right reserved. - 26 - LGE Internal Use Only Only for training and service purposes...
  • Page 27 Main IC(IC100) have some troubles. After checking thoroughly all path once again, You should decide to replace Main Board or not. Copyright 2008 LG Electronics. Inc. All right reserved. - 27 - LGE Internal Use Only Only for training and service purposes...
  • Page 28: Block Diagram

    BLOCK DIAGRAM PCM_CD_ON TS_Parallel PCM_ADD PCM_DATA TS_Serial SPDIF Out Head phone Out Side_Y/C/V/L/R TV Tuner Copyright 2008 LG Electronics. Inc. All right reserved. - 28 - LGE Internal Use Only Only for training and service purposes...
  • Page 29: Exploded View

    X-RADIATION, Shock, Fire, or other Hazards. Do not modify the original design without permission of manufacturer. - 29 - Copyright LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 33 Feb., 2008 P/NO : MFL41333501 Printed in Korea...

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47lg5000-za